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Beijing Purkinje General Instrument Co.,Ltd. - ... – PowerPoint PPT presentation

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1
????????? ????
2
  ??-???????

??-?????? ??-???? ??-??????? ??????? ????
3
??-???????(ultraviolet-visible spectrophotometry,
UV-VIS)
??????????????????????????,???????????????
????, ?????????????????????????????????
????????????,?????????????????,?????-?????
???
4
??-??????????
1 ???????????,?????????????,???,?????
2 ????
3  ????
4 ?????????
5 ????? 
5
??-??????
  • 1. ??????????

????????????,???????????????????????,?????
?????
6
????????????????????(???),???????,?????????
,?????????????????? ??????,???????????max?
?????????
7
????-?????????
  • ???????????????????????(????????pH?)??,?????
    ???????????????????????
  • 1.?? ??????,?????????????

8
2. ?? ?????? (1)????????? (2)?????????,????
????????????????? (3)????????????????? 3. pH?
9
??-????
?????????
???????I0,??????Ia,?????? It,??????Ir,?
I0 Ia It
Ir ?????????,?????,??????
I0 Ia It
10
  • ??? ?????????,?A??,
  • ?
  • Alg1/TlgI0/It

?????????????It??????I0??,?T??
? T It/I0
11
  • ????-????


  • ??-??????????????? ??????????,???????
    ????????????????,?
  • A ? cl

  • ???????????????,??
    ????????????c?????? ?,l????????


12
??????
?l?cm,c?g/L???,???????,? a???
A a cl
a????L/(g.cm)
13
??????
?l?cm,c?mol/L???,?????????,? e???













e????L/mol.cm,?????????1mol/L,?????1cm?,??
?????
14
?????
????????????1, l?1cm??????,? ???
15
??????-???????
(1)????????
(2)??????? ???????,???????,????????,???????
????,???????????????
(3)???????? ???????,??????????,?????????????
??,????????,????????
16
??-???????
  • ????????????
  • ????
  • ?????????????????????

17
1 ??
???????????,????????????????????
???????????,???????????????????,???????
18
2 ???
??????????????????????????????
????????,?????????????????????????
19
3 ???
????????????,?????????????????,??????????

????????,?????0.110cm??,???1cm??????????
20
4 ??? ????????????,????????????????????
?????????????????????
5 ?????? ???????????????,????????,????
???????????
21
????-??????????
???????????????????????????
22
1.???????????
  • ??
  • ??????????
  • ?????
  • ??????
  • ?????

23
2.???????????
  • ??
  • ???????,????????
  • ???????
  • ??????????

24
3.????????
  • ??
  • ?????????
  • ????????????????

25
1.???????
  • ?? ?????????
  • 1.????????
  • ???-??????
  • Alg1/Tecl
  • ????
  • dlgT0.4343dT/T -eldc
  • ? 0.4343?T/T -el?c

26
????-????? ?c/c0.4343?T/TlgT ???
???????c/c??,???????
lgT-0.4343A ??A0.4343?,??????????
?????????0.20.8???
27
2.????????
  • ??????????????,???????????????????????????
    ???????,????????,?????????????????

28
3.??????? ???????????,??????????????????????
????,?????????????????????
29

???????????
?????????,???????????????????????????????
???????????????????
30
??????,????????
1.???????????-????????????,?????????
2.?????????,????????????????????????????????
3. ??????????????,????????????????
4.???????????
31

?????????
??????????,????????????(????0)?100,??????
?????????????????????????
32
??????????????,??? 1.????
???????????????????,??????????????
2.???? ????????????????,?????????????,??????????
??????,?????????
33
3.???? ??????????????????,??????????,?????,????
????????????
4. ?????? ??????????,??????????????????,??????
???????
34
????
?? ???????
????????????????,?????????????????????????
????????
?????????????????????????
35
1 ?????
????????????????,???????,???????,????????????,?A-
c??,?????,??????????,????????
????????????????,????????????????????????
36
  • 2 ?????
  • ?????????????,???????,????????,????-????,??
    ????????????

AsKcs AxKcx
37
??-?????????
  • ??-????????????????????,????????????????????
    ???

38
1.???? ??????????,?????????????????,???????
????? ????
39
  • 2.?????
  • ?????????????????????
  • ?????????????,??A280/A260?A230/A260???,??????
  • ????? 1552A280-757.3A260 (ug/ml)
  • DNA?? 62.9A260-36.0A280 (ug/ml)
  • ????? 183.0A230-75.8A260 (ug/ml)
  • DNA?? 49.1A260-3.48A230 (ug/ml)

40
3.???? ??-???????????????????,???????????
?????????????????????? ??,?????????????,??????????
??????
41
????
????????,????? ??????????,????,????,????,????,????
,????,????,???????????
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